package section_12;

/**
 * @Author ZhangGJ
 * @Date 2019/09/05
 */
class Other {
}


class BasicOther extends BasicHolder<Other> {
}


public class Unconstrained {
    public static void main(String[] args) {
        BasicOther b = new BasicOther(), b2 = new BasicOther();
        b.set(new Other());
        Other other = b.get();
        b.f();
    }
}
